257109876

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{13009}}^1$

素因数の和:13086

約数の個数: 60

約数和(自身を含む): 683207140

約数和(自身を除く): 426097264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1098, 1647, 2196, 3294, 4941, 6588, 9882, 13009, 19764, 26018, 39027, 52036, 78054, 117081, 156108, 234162, 351243, 468324, 702486, 793549, 1053729, 1404972, 1587098, 2107458, 2380647, 3174196, 4214916, 4761294, 7141941, 9522588, 14283882, 21425823, 28567764, 42851646, 64277469, 85703292, 128554938, 257109876]

約数ペア:

[(1, 257109876), (2, 128554938), (3, 85703292), (4, 64277469), (6, 42851646), (9, 28567764), (12, 21425823), (18, 14283882), (27, 9522588), (36, 7141941), (54, 4761294), (61, 4214916), (81, 3174196), (108, 2380647), (122, 2107458), (162, 1587098), (183, 1404972), (244, 1053729), (324, 793549), (366, 702486), (549, 468324), (732, 351243), (1098, 234162), (1647, 156108), (2196, 117081), (3294, 78054), (4941, 52036), (6588, 39027), (9882, 26018), (13009, 19764)]